To maintain correct ergonomics, at what distance should a computer screen be positioned from the eyes?

Positioning a computer screen at a distance of 18-24 inches is considered optimal for ergonomics due to a few key reasons. This distance allows the user to comfortably focus on the screen without straining their eyes, reducing the risk of eye fatigue that can occur from prolonged exposure.

At this range, the average person can maintain a neutral head and neck posture, which minimizes discomfort and prevents musculoskeletal issues associated with poor ergonomics, such as neck and shoulder pain. Additionally, placing the screen within this distance allows for a good field of vision, which is essential for quick visual scanning across the display without excessive head movement.

This distance also facilitates a slight downward gaze at the screen, which is naturally more comfortable for the neck and spine. In terms of visual clarity, keeping the screen within this range helps prevent the need to squint or lean forward, which can lead to further strain.

Distances shorter than 18 inches may disrupt the natural focus of the eyes, while distances longer than 24 inches could lead to difficulty in reading text and increased eye strain. Thus, the 18-24 inch recommendation is widely supported in ergonomic guidelines to promote health and comfort during computer use.